The fatal accident, which happened just after 10 a.m., shut down the northbound lanes of I-95 near State Road 836.
According to FHP, the box truck was blocking the left lane when a gray Volkswagen struck it. The Volkswagen then collided into a black Nissan sedan.The driver of the gray Volkswagen died on the highway. The driver of the box truck, who was standing outside of the truck at the time of the crash, suffered serious but not life-threatening injuries, FHP said. It was not clear if anyone in the third vehicle was injured.